GB2236155B - Axle health discriminatory safety timer arrangement - Google Patents

Axle health discriminatory safety timer arrangement

Info

Publication number
GB2236155B
GB2236155B GB9020001A GB9020001A GB2236155B GB 2236155 B GB2236155 B GB 2236155B GB 9020001 A GB9020001 A GB 9020001A GB 9020001 A GB9020001 A GB 9020001A GB 2236155 B GB2236155 B GB 2236155B
Authority
GB
United Kingdom
Prior art keywords
discriminatory
safety timer
timer arrangement
axle health
health
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9020001A
Other versions
GB2236155A (en
GB9020001D0 (en
Inventor
James A Wood
John Drake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of GB9020001D0 publication Critical patent/GB9020001D0/en
Publication of GB2236155A publication Critical patent/GB2236155A/en
Application granted granted Critical
Publication of GB2236155B publication Critical patent/GB2236155B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
GB9020001A 1989-09-18 1990-09-13 Axle health discriminatory safety timer arrangement Expired - Fee Related GB2236155B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/408,822 US4999779A (en) 1989-09-18 1989-09-18 Axle health discriminatory safety timer arrangement for controlling wheel slip on a multiple-axle railway vehicle

Publications (3)

Publication Number Publication Date
GB9020001D0 GB9020001D0 (en) 1990-10-24
GB2236155A GB2236155A (en) 1991-03-27
GB2236155B true GB2236155B (en) 1993-12-22

Family

ID=23617910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9020001A Expired - Fee Related GB2236155B (en) 1989-09-18 1990-09-13 Axle health discriminatory safety timer arrangement

Country Status (7)

Country Link
US (1) US4999779A (en)
AU (1) AU639480B2 (en)
BR (1) BR9004636A (en)
CA (1) CA2025196C (en)
DE (1) DE4029561C2 (en)
GB (1) GB2236155B (en)
ZA (1) ZA907232B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5124988A (en) * 1990-06-25 1992-06-23 Westinghouse Air Brake Company Dump valve operational fault-determination system
US5098169A (en) * 1990-10-22 1992-03-24 Westinghouse Air Brake Company Magnet valve safety check and fault indication integrator
US5290095A (en) * 1991-06-13 1994-03-01 Westinghouse Air Brake Company Wheel lock detection arrangement for multiple-axle railway vehicles
US5315520A (en) * 1991-09-06 1994-05-24 Westinghouse Air Brake Company Friction brake interface health check system for multiple-axle railway vehicles
US5535122A (en) * 1994-03-30 1996-07-09 Westinghouse Air Brake Company Method of and an apparatus for providing a safety check of the brake retardation capability of a brake system on a vehicle
US5654889A (en) * 1995-06-02 1997-08-05 Westinghouse Air Brake Company Simplified pattern recognition wheel slide protection
US6698848B1 (en) * 2003-01-07 2004-03-02 Westinghouse Air Brake Technologies Corporation Time reset safety timer circuit
US7374252B2 (en) * 2006-03-16 2008-05-20 Wabtec Holding Corporation Wheel slip brake assurance module
US9651572B2 (en) * 2014-03-19 2017-05-16 Infineon Technologies Ag Speed sensor device, speed sensor method, electronic control unit and control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318847A (en) * 1971-05-13 1973-05-31 Gen Motors Corp Four-wheel anti-lock brake control systems
US4049325A (en) * 1975-08-05 1977-09-20 Wabco Westinghouse Gmbh Safety circuit arrangement for wheel anti-skid brake control system
GB2020121A (en) * 1978-04-22 1979-11-07 Girling Ltd Anti lock brake control systems for multi axle vehicles
EP0283050A2 (en) * 1987-03-20 1988-09-21 Sumitomo Electric Industries Limited Multiple control circuit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2253867C3 (en) * 1972-11-03 1981-04-16 Robert Bosch Gmbh, 7000 Stuttgart Monitoring circuit for anti-lock control systems
DE2928981A1 (en) * 1979-07-18 1981-02-12 Wabco Fahrzeugbremsen Gmbh TEST CIRCUIT FOR THE CONTROLLER OF A BLOCK-PROTECTED VEHICLE BRAKING SYSTEM THAT IS PROVIDED WITH AT LEAST ONE CONTROL MICROCOMPUTER FOR THE CONTROL CHANNELS
US4677580A (en) * 1984-09-24 1987-06-30 Gte Communication Systems Corporation Real time usage indicator for a processor system
DE3521960A1 (en) * 1985-06-20 1987-01-02 Teves Gmbh Alfred METHOD AND CIRCUIT ARRANGEMENT FOR CONTROLLING AN BLOCK-PROTECTED BRAKE SYSTEM FOR MOTOR VEHICLES WITH ALL-WHEEL DRIVE
DE3535843A1 (en) * 1985-10-08 1987-04-16 Bosch Gmbh Robert METHOD FOR CONTINUOUSLY DETERMINING THE FACTORY VALUE (MY)
DE3537452C2 (en) * 1985-10-22 1996-06-13 Bosch Gmbh Robert Traction control system
JPH0795291B2 (en) * 1986-01-13 1995-10-11 沖電気工業株式会社 Watchdog timer
JPS62218260A (en) * 1986-03-20 1987-09-25 Fujitsu Ltd Processing system for anti-skid control
DE3767923D1 (en) * 1986-05-09 1991-03-14 Honda Motor Co Ltd DRIVE CONTROL SYSTEM FOR CONTROLLING THE SLIP OF THE DRIVE WHEEL OF A VEHICLE.
DE3621225C1 (en) * 1986-06-25 1987-05-27 Daimler Benz Ag Control device for temporarily switching a vehicle drive from a single-axis drive via a permanently driven vehicle axis to a two-axis drive
JPS63141864A (en) * 1986-12-02 1988-06-14 Sumitomo Electric Ind Ltd Wheel spin control device
JPH01275251A (en) * 1988-04-28 1989-11-02 Nissan Motor Co Ltd Anti-skid control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318847A (en) * 1971-05-13 1973-05-31 Gen Motors Corp Four-wheel anti-lock brake control systems
US4049325A (en) * 1975-08-05 1977-09-20 Wabco Westinghouse Gmbh Safety circuit arrangement for wheel anti-skid brake control system
GB2020121A (en) * 1978-04-22 1979-11-07 Girling Ltd Anti lock brake control systems for multi axle vehicles
EP0283050A2 (en) * 1987-03-20 1988-09-21 Sumitomo Electric Industries Limited Multiple control circuit

Also Published As

Publication number Publication date
ZA907232B (en) 1991-07-31
US4999779A (en) 1991-03-12
GB2236155A (en) 1991-03-27
DE4029561C2 (en) 2000-02-10
DE4029561A1 (en) 1991-04-18
CA2025196C (en) 1995-01-17
AU639480B2 (en) 1993-07-29
CA2025196A1 (en) 1991-03-19
AU6245190A (en) 1991-03-21
GB9020001D0 (en) 1990-10-24
BR9004636A (en) 1991-09-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030913